taxes Property Tax Assistance

2018 Confidence Interval Detail

177/Nolan
221-905/Trent ISD

Category Summary

(1)
Category
(1)
Local
Value
(1)
Stratum
Ratio
(1)
State
Value
(2)
Sample
Size
(3)
Total
Parcels

Stratum
Variance
E 4,263,150 0.9759 4,368,429 19 99 .105290556
G1 6,424,460 0.9954 6,454,149 15 46 .011851061
Random Totals: 10,687,610   10,822,578 34 145  
Catg J Exception Values: 15,262,340   17,018,826      
Catg D1 Exception Values: 2,637,210   2,178,393      
Total Test Values (4): 28,587,160   30,019,797      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 1,500,989

Confidence Interval Values (5)

State Lower Limit: 28,518,808 (State Test Value minus Margin of Error Percent)
Local Test Value: 28,587,160 (Within Confidence Interval)
State Upper Limit: 31,520,786 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 77,848,609 (See ISD Summary Worksheet)

Sources:
(1) See Stratified Category Worksheet Reports PTS236, PTS430
(2) Number of parcels sampled by staff
(3) Total Category Parcels from Stratification Report, Appraisal Roll, or Self-report
(4) Includes any parcels in A, B, C, D2, E, F1, G1, G2, or L1 marked as exception properties
(5) Unstudied categories and sub-categories were not included in the Confidence Interval Values
(6) Includes local value of unstudied property categories and sub-categories